Cho: NA=6,02.1023 mol-1; h= 6,626.10-34 J.s; c= 3,0.108 m/s; 1eV= 1,6.10-19 J
Câu 1
oxygen (oxy, O2)
5 µB.
a.
b.
c
π
…).
, electron trong
photon
tron.
nm< λ< 750
khi
)
H
hai
- Electron
-
xygen
n
xygen
hay không?
c.
a
b.
Câu 2
3
(borane)
borane
diborane B2H6, B4H10
B2H6
BH3
3
:
3
(D)
NH3
BH3
0
HNH= 107
HBH= 1200
1,47
?
a.
b.
a
VB).
u
1
c.
3.
C
h
Câu 3
a.
b.
)
c.
d. L
MO pi.
e.
xy,
dxz, dyz
)
)
π
πd-p, πd-d .
Câu 4
a.
An+
b.
Bn-
nn+
anion Bn-.
-
2:
n+
n-
rAn+ , rBn-)
AB
d (g/cm3)
n+
A
, rBn-,
AB.
c.
sodium chloride (natri clorua) không
v
sodium chloride
+
Tuy nhiên,
-
sodium chloride
?
----------
---------2
,
…
23/4/2016
V
Ê S
V
VIÊN
6.5
5.0
5.5
5.3
6.5
5.3
4.0
5.0
3.0
4.0
6.5
5.0
4.5
3.8
7.3
6.7
5.0
4.3
4.0
5.5
5.8
2.0
3.8
5.3
3.5
3.3
3.5
5.5
6.0
5.3
Ê S
VIÊN
3.3
6.3
4.8
4.8
5.0
4.8
4.3
7.8
5.0
4.5
6.5
5.8
5.8
6.8
6.3
1.3
5.8
5.0
3.3
3.3
3.0
4.5
4.5
7.3
3.0
2.8
4.3
5.5
4.5
nh
hi Mai
Quang
P
: SV
c
.
V
3
V